Add more tests.
Add more tests.

kelvinst/elixir,pedrosnk/elixir,beedub/elixir,michalmuskala/elixir,elixir-lang/elixir,kimshrier/elixir,ggcampinho/elixir,gfvcastro/elixir,beedub/elixir,pedrosnk/elixir,antipax/elixir,kelvinst/elixir,lexmag/elixir,kimshrier/elixir,joshprice/elixir,ggcampinho/elixir,gfvcastro/elixir,lexmag/elixir,antipax/elixir